baber/WOPTO huggingface dataset:
Patent JP-S60234487-A (JP)
Title: Controller of ac motor
Inventor: HIRATA AKIO
IPC: H02P6/28
Filed: 1984-05-04
Abstract: PURPOSE:To safely operate an AC motor without commutation failuer even if abruptly accelerated or decelerated and to enhance the operating power factor and efficiency by deciding the superposing angle in response to the magnitude of the accelerating/decelerating rate, the amplitude of a current or the magnitude of the change rate of the current. CONSTITUTION:A control lead angle (beta) controller 21 controls the control lead angle (beta) by the detection signal of a superposing angle detector 23 and the voltage detection signal of a voltage detector 22 irrespective of the rotating speed of an AC motor 15 for the commutation margin time of an inverter 14 when the acceleration/deceleration rate detected by an acceleration/deceleration detector 25 is the prescribed value or lower. If the acceleration/deceleration rate becomes the prescribed value or higher, the angle (beta) is so controlled that the commutation margin angle (beta) of the inverter 14 becomes substantially constant by using superposing angle (u) set by a superposing angle setter 26. When the angle (beta) is thus set, the operating power factor is improved to reduce the current of the motor 15 and to improve the operating efficiency.
Patent JP-S61246648-A (JP)
Title: Leakage inspection apparatus
Inventor: TSURUOKA SACHIHIRO
IPC: G01M3/32
Filed: 1985-04-24
Abstract: PURPOSE:To achieve a high speed of paper cup working, by arranging a mechanism which evacuates the space provided between the outer wall housing a paper cup and the paper cup. CONSTITUTION:Air pressure in a paper cup 20 is supplied to a pressure sensor 41 via an air pressure measuring port 22. An air suction outer wall 26 is provided to evacuate an absorption chamber 27. After converted into an electrical signal, the pressure in the paper cup 20 enters an amplifier 20 and goes up gradually after the start of air supply to hold peak voltage with a peak holding circuit 43 to the time when a timing sensor 47 is turned OFF. A comparator circuit 44 compares peak hold voltage with the threshold level; when it is higher, acceptance is decided while rejection is when it is lower. The decision signal is outputted from an output circuit 45.
Patent JP-H07295258-A (JP)
Title: Electrophotographic image forming method, electrophotographic device and electrophotographic device unit
Inventor: SEKIYA MICHIYO
IPC: G03G5/06
Filed: 1994-04-26
Abstract: PURPOSE:To provide an electrophotographic image forming method, electrophotographic device and electrophotographic device unit which stabilize dark part potential and do not generate image defects, such as white dots and black dots even after repetitive use at and under a high temp. and high humidity. CONSTITUTION:This electrophotographic image forming method has an electrostatic charging stage which electrostatically charges on an electrophotographic photoreceptor contg. a metal-free phthalocyanine in a photosensitive layer by direct electrostatic charge, an image exposing stage for forming an electrostatic latent image on the electrostatically charged electrophotographic photoreceptor by subjecting the photoreceptor to image exposing and a developing stage for developing the electrophotographic photoreceptor formed with the electrostatic latent image. This electrophotographic device and electrophotographic device unit use the same method.
Patent JP-H10287463-A (JP)
Title: Firing of pottery container with one handle and support for firing
Inventor: YABUSAKI YUKIHIRO
IPC: C04B33/32
Filed: 1997-04-07
Abstract: PROBLEM TO BE SOLVED: To provide a method for firing pottery containers having handles, capable of suitably preventing the deformation of the opening portion of the pottery containers without affecting the appearance of the product, and to provide a support for firing. SOLUTION: When a pottery container having a handle, such as a mug, is produced, an biscuit firing body 28 is put on a firing support 30 and fired in states that the opening portion 42 is upward directed, that the lower end surface 44 is inclined e.g. at an inclination angle θ of about 5.83 degree based on the horizontal surface H, and that the handle 48 is placed at the upper most position in the inclined direction among the peripheral wall portion.
Patent JP-H07328727-A (JP)
Title: Metal sheet for deep-drawing cylinder with small ear ratio
Inventor: YOSHIDA TORU
IPC: B21D22/28
Filed: 1995-04-13
Abstract: PURPOSE:To obtain a cylindrical deep-drawn article with a small ear ratio, without using a special forming method, by using a metal sheet with a continuous uniform distribution of a projecting part having a specific width and a height with a flat top face and specifying the area ratio of the projecting part. CONSTITUTION:A metal sheet 6 is deep-drawn into cylinder deep by using a die consisting of a punch 2, die 1 and blank holder 3. In this case, the metal sheet 6 is such that a projecting part with 50mum <= width <= 500mum and 5mum <=height <= 50mum and with a flat top face is continuously and uniformly distributed in one direction or plural directions on the metal sheet, and that the area ratio of the projecting part is 20% <= area ratio <= 60%. Consequently, a friction coefficient in the direction likely to be a valley at the time of working may be relatively increased, the inflow in the same direction is suppressed, deformation within a blank holding face is uniformized in each direction, a formed article is obtained without causing ears, and also an excellent effect is obtained in the neck workability after DI working.
Patent JP-H05289357-A (JP)
Title: Feeding device for photosensitive planographic printing plate priting device
Inventor: FUJIMOTO KAZUYA
IPC: G03F9/00
Filed: 1992-04-09
Abstract: PURPOSE:To realize a feeding device for photosensitive planographic printing plate printing device where working efficiency is improved without making the device larger. CONSTITUTION:A PS plate which is ejected from a printing surface plate after finishing printing processing is pinched between a large-diameter roller 552B and a small-diameter roller 552A on an upper side. A moving roller part 554 can move up and down. First, the PS plate which should be ejected is pinched by setting a pinching roller 554A at a lower position, and then, it is moved to an upper position and pinched between the roller 552B and the roller 552A on the upper side. After moving to the upper position, the PS plate which should be processed to be printed is pinched between the roller 552B and a small- diameter roller 552C on the lower side, whereby the PS plate is fed to the printing surface plate without interfering with the PS plate which should be ejected.
Patent JP-S60231003-A (JP)
Title: Servo mechanism of pneumatic motor
Inventor: NISHIGUCHI NOBUYUKI
IPC: F15B9/14
Filed: 1984-05-01
Abstract: PURPOSE:To improve the controlling precision of a pneumatic motor by connecting an encoder to the pneumatic motor 1 and feeding back a drive amount and a drive speed of the pneumatic motor which are detected by the encoder. CONSTITUTION:An encoder 3 is connected to a pneumatic motor 1, and the drive amount and a drive speed of the pneumatic motor 1 which are detected by the encoder 3 are fed back to a position and speed compensating controller 4. The controller 4 compares the amount and the speed with respective target values. Said controller controls the opening and closing action of a solenoid valve 2 according to the deviation therebetween. Since the position and the speed of the pneumatic motor can be kept constant by the automatic control, the controlling precision of the pneumatic motor is improved.
Patent JP-H01261978-A (JP)
Title: Image pickup device
Inventor: EGAWA TAKESHI
IPC: H04N1/40
Filed: 1988-04-13
Abstract: PURPOSE:To make contrast clear even when a character is low contrast by discriminating whether an input picture is suited for a many-valued gradation or for a binary gradation automatically, switching the gradation corresponding it and executing the recording of an image pickup picture. CONSTITUTION:An image pickup component A receives an image from an object through an optical system and converts it into an electric image signal. A first converting means B converts the above mentioned image signal into digital many-valued data. A second converting means C converts the above mentioned image signal into binary data. A discriminating means D discriminates whether the above mentioned image is a many gradation picture or a binary picture based on the binary data. A signal switching means E switches the output of the first converting means B and the output of the second converting means C corresponding to the discriminated result of the discriminating means D and outputs it to a picture storing means F. By constituting thus, on the photographing of a character printing and so on, not only contrast becomes clear but also the number of a storable image increases.
Patent JP-S61248070-A (JP)
Title: Developing device using one-component developer
Inventor: SUNAGA TAKAYUKI
IPC: G03G15/06
Filed: 1985-04-26
Abstract: PURPOSE:To form the copied image to be transferred from a photosensitive body onto paper as the image having good quality by roughening the surface of a developer carrying body perpendicularly with the conveying direction of a developer so that the thin film of the developer conveyed to the photosensitive body by sticking onto the surface of a developing roll is formed to the uniform and stable state. CONSTITUTION:A controlling member is constituted of a support consisting of a spring member having >=95f/mm<2> tensile strength and >=68kgf/mm<2> yield strength and a soft elastic material consisting of the silicone rubber of which the surface energy in the part in contact with the developer carrying body is <=30dyne/cm and which has 30-70 deg. hardness. The surface of the developing roll 11 is roughened in the axial direction of the developing roll over the entire surface to Rz=7-12mum (1.0-1.6mum in terms of Ra) by a vertical polishing treatment. The surface of the surface-treated developing roll does not leave fingerprints even when touched by the fingertips and does not require special precaution in the stage of handling.
Patent JP-H05290300-A (JP)
Title: On-vehicle obstacle detector
Inventor: KAMIMURA HIROKI
IPC: G08G1/00
Filed: 1992-04-09
Abstract: PURPOSE:To exactly detect a vehicle intruding to an intersection from a right- and-left direction which is difficult to confirm by providing a detection area switching means which switches the detection area of an obstacle detecting means so as to be widen to the right and-left direction at the intersection. CONSTITUTION:The transmission and reception direction of a pulse laser beam by a left radar head unit 4, and a right radar head unit 5 is changed when the radar head units 4 and 5 are driven by a motor 7, and detected by an angle sensor 8 from the angle of rotation of the motor 7. Then, an arithmetic unit 2 controls the operation of the motor 7 so that the left direction of the intersection can be scanned by the left radar head unit 4, and so that the right direction of the intersection can be scanned by the right radar head unit 5, that is, so that the right-and-left wide range can be scanned by the radar head units 4 and 5, when road information indicating the existence of the intersection is detected by a path face marker sensor 10. And also, the arithmetic unit 2 constitutes a danger state detecting means.
Patent JP-H05290672-A (JP)
Title: Keyboard switch
Inventor: HAYASHI KAZUTOSHI
IPC: H01H13/70
Filed: 1992-04-10
Abstract: PURPOSE:To provide a keyboard switch by which foreign matters such as dust infiltrated into a sliding part are automatically removed, in the case of a key board switch in which a slider is slid overlapping with a housing. CONSTITUTION:A male angle part 4 is rounded regarding the square cross section form of a sliding part 3, and the vicinity of the center of each side is receded by one step, while a step difference part 5 is provided so that a key board is not slid. A groove 6 is provided obliquely on a sliding surface 33 of a slider 1 or a housing 2.
Patent JP-H04300893-A (JP)
Title: Production of steroid derivative
Inventor: TACHIBANA YOJI
IPC: C07J7/00
Filed: 1991-03-29
Abstract: PURPOSE:To obtain the title derivative useful as an intermediate for producing vitamin D3 in high yield by successively carrying out OH group protection of 20-hydroxytrienone, enol acetylation of CO group, reduction, diene protection, 1-position hydroxylation, deprotection and diacetylation. CONSTITUTION:Hydroxyl group at the 20-position of a 20-hydroxytrienone compound shown by formula I (R1 and R2 are H or CH3) is protected, enol acetylated with isopropenyl acetate to give a 1,3,5,7-tetraene compound shown by formula II (Ac is acetyl; X is protecting group), which is reduced, then reacted with 4-phenyl-1,2,4-triazoline-3,5-dione to give a Diels-Alder reaction type addition reaction product shown by formula III (Ph is phenyl), hydroxyl groups at the 1,3-positions, treated with an epoxidizing agent to give an 1alpha,2alpha-epoxy compound and which is reduced to give a compound shown by formula IV (Z is protecting group). Then hydroxyl groups at the 1- and 3-positions of the compound are acetylated, hydroxyl group at the 20-position is deprotected to give a 1alpha,3beta-diacetoxy-pregna-5,7-dien-20-ol.
Patent JP-2000286237-A (JP)
Title: Structure of radial line slot antenna in semiconductor substrate plasma surface treating apparatus
Inventor: MURAKAWA EISUKE
IPC: H01L21/3065
Filed: 1999-03-30
Abstract: PROBLEM TO BE SOLVED: To reduce strain transformation due to thermal expansion in a slot plate by a method, wherein the slot plate is formed with a thin-film layer of a metal and is formed so as to closely adhere to a lower face of a dielectric plate. SOLUTION: A flat recess part 4 is formed on the lower face of an antenna guide 2, and the upper face of the antenna guide 2 is connected to a wave guide 5, in which microwaves are led into the recess part 4. Furthermore, a disk-type dielectric plate 6 is formed with a dielectric such as quartz, aluminum ceramic, or the like in the recess part 4 in the antenna guide 2 and is mounted, and a slot plate 7 comprises a plurality of slot holes 8 on a lower face of the dielectric plate 6 and is formed so as to closely adhere to the dielectric plate 6. Thus, it can be positively prevented that strain deformation from occurring so as to swell downward for thermal expansion.
Patent JP-S62244631-A (JP)
Inventor: TOMIOKA TAKATADA
IPC: B32B18/00
Filed: 1986-04-17
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H03287480-A (JP)
Title: Arranging structure for heat exchanger of motorcycle
Inventor: NAKAYA KAZUMASA
IPC: B62J99/00
Filed: 1990-04-03
Abstract: PURPOSE:To make the vertical size of a heat exchanger sufficiently long, secure a sufficient capacity on the heat exchanger, and improve the heat exchanging effect by providing the heat exchanger in spaces located above and below the rear section of a swing arm in a longitudinal attitude. CONSTITUTION:An upper radiator 28, a lower radiator 29 and an oil cooler 30 constituting a heat exchanger are provided in spaces between a vehicle body frame 2 and a steering knuckle 14. The upper radiator 28 is arranged in an upper space 33 located above the rear section 32 of an upper arm 18 in a longitudinal attitude. The lower radiator 29 is arranged in an intermediate space 35 located below the rear section 32 of the upper arm 18 and above the rear section 34 of a lower arm 15 in a longitudinal attitude. The oil cooler 30 is arranged in a lower space 36 located below the rear section 34 of the lower arm 15 in a longitudinal attitude.
Patent JP-S5213343-A (JP)
Title: Toner cleaning device for the electrophotographic copying machine
Inventor: SUZUKI HIROHARU
IPC: G03G21/10
Filed: 1975-07-22
Abstract: PURPOSE: To obtain a toner cleaning device wherein no noise as well as no fatigue of toner occurs, a magnet built-in fur brush is used, and non-magnetic sleeve slidingly contacts with the separator. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S59217092-A (JP)
Inventor: KANASHIKI SUSUMU
IPC: F16L59/06
Filed: 1983-05-20
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H01262020-A (JP)
Title: Correcting equipment for strain of flat sheet
Inventor: SEKI KAMEHARU
IPC: B21D1/02
Filed: 1988-04-12
Abstract: PURPOSE:To correct cambers and twists in both directions simultaneously by deviating the relative positions of 1st and 2nd pressing means from their normal positions to be arranged. CONSTITUTION:An upper pressing means 10 is provided on a plate 14 in the form of a plurality of series of staggered arrangements and a lower pressing means 18 is provided on a plate 22 in the form of the same staggered arrangements. Both pressing means 10, 18 are composed of point contact free rollers, etc., and the upper and lower positions and the pressing force are adjusted by individual spring means, etc. Endless belts 30, 38 are equipped respectively to the upper and the lower pressing means 10, 18 and a flat sheet such as a printed circuit board is passed between both belts 30, 38. In this way, deflections nearly in all directions can be corrected by one pass and twists also can be easily corrected.
Patent JP-S5613247-A (JP)
Title: Load response braking hydraulic controller
Inventor: SUNAGA TSUNEO
IPC: B60T8/26
Filed: 1979-07-14
Abstract: PURPOSE: To obtain stable operation even when a means which applies a force corresponding to load is faulty by providing a spring means to force a plunger which opens and closes valves corresponding to input liquid pressure, against the input liquid pressure, independently of a means which applies the force corresponds.  
     CONSTITUTION: When braking pressurized liquid is supplied to an inlet hold 2 by a master cylinder 5, it is guided to an outlet hole 3 through the channel 12 of a plunger 11 and a spherical valve 13 and is supplied to the rear wheel cylinder 7. In this case, depending upon the difference in the pressure reception area of the small diameter area 11A and intermediate diameter area 11B for the plunger 11, a downward force is obtained due to the input liquid pressure. When this force overcomes that of a spring 23, the plunger 11 falls down and the spherical valve 13 closes, thereby stopping the liquid pressure rise on the side of the outlet hole 3. This pressure reduction operation start pressure is adjusted by raising a stem 18 through a load detection tension spring 27. In this case, the stem 18 is constituted so that it can elastically be forced upward by a compression spring 21. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S62246110-A (JP)
Title: Composite magnetic head and its production
Inventor: WATANABE SATOSHI
IPC: G11B5/127
Filed: 1986-04-18
Abstract: PURPOSE:To reduce the eddy current loss for reproducing with a high frequency and to attain high reproducing efficiency and C/N by forming a track width control groove connected to a winding window on a magnetic substrate near a magnetic gap and packing nonmagnetic materials in the track width control groove. CONSTITUTION:After a winding groove 45, a winding guide groove 46, and a junction groove 47 are provided on a nonmagnetic material-packed composite plate 44, a thin film 48 which has a half length of a gap and consists of an oxide nonmagnetic material and a thin film 49 consisting of the same material as a middle-melting point nonmagnetic body 43 are formed to obtain the first magnetic core half body block 50. After the winding guide groove 46 and the junction groove 47 are provided on another composite plate 44, the thin film 48 which has a half length of the gap and consists of the oxide nonmagnetic material and the thin film 49 consisting of the same materials as the middle-melting point nonmagnetic body 43 are formed to obtain the second magnetic core half block 51. The first and second magnetic core half body blocks 50 and 51 are joined and pressured, and nonmagnetic materials 52 and 53 consisting of the same materials as the middle-melting point magnetic body 43 are packed in junction grooves 47 and winding grooves 45 and are heated to obtain a magnetic core block 54. The magnetic core block 54 is cut in parallel with a metallic core part 33.
Patent JP-H06301463-A (JP)
Title: Handwriting input device
Inventor: OTA HIROTSUGU
IPC: G06F3/0488
Filed: 1993-04-16
Abstract: PURPOSE:To provide the handwriting input device which enables a form, etc., mounted on a tablet to be fixed and display a stable pen input track. CONSTITUTION:A depression piece 1 whose tip part is pressed elastically against the tablet 2 is formed on a cabinet 5 nearby the outer peripheral part of a display part. Further, a pen 4 is provided with a pressure sensor which detects stroke pressure and also provided with a storage means which stores the output value of the pressure sensor when the tablet 2 detects an input, an arithmetic means which calculates the difference between the output value of the pressure sensor at the time of input operation and the contents of the storage means, and a determining means which determines the thickness of a line to be outputted according to the arithmetic result and supplies the determination information to a display control driving part.
Patent JP-H02269465-A (JP)
Title: Power unit
Inventor: YAMASHITA MASAJI
IPC: H02M7/217
Filed: 1989-04-11
Abstract: PURPOSE:To prevent saturation by inrush currents of an inductor even in comparatively large inrush currents by adding a diode for bypassing inrush currents between the input side or output side of a rectifier circuit and the node of a diode and a capacitor in a chopper circuit. CONSTITUTION:A diode D2 for bypassing inrush currents is inserted in the direction of the charging of a capacitor C between the output side of a rectifier circuit 10 and the node of a diode D1 and a capacitor C1 in a chopper circuit 20. When AC power is charged under the state in which the capacitor C1 is hardly charged, large currents flow through the capacitor Cl through the rectifier circuit 10 and the diode D2 for bypass, and the capacitor C1 is charged quickly. Consequently, large inrush currents hardly flow through an inductor L1 and the diode D1. Accordingly, the possibility of saturation by inrush currents of the inductor L1 is prevented even when inrush currents are increased considerably.
Patent JP-H06296617-A (JP)
Title: Basket forceps
Inventor: OKADA TSUTOMU
IPC: A61B17/22
Filed: 1993-04-16
Abstract: PURPOSE:To provide the basket forceps which can set an angle made by each wire when the adjacent basket forming wires swell out, to a state of a desirable angle. CONSTITUTION:A basket part 5 is formed extending from the tip of a sheath 2 to the tip of an operating wire 3 being freely movable forward and backward, the rear ends of two pieces of opposed elastic wires 7a, 7b are fixed, the tips of the elastic wires 7a, 7b are fixed to the tip chip 8, and the rear ends of the remaining two pieces of elastic wires 7c, 7d are attached to the tip of a rotary member 4 being freely rotatable. Also, this forceps is structured so that an angle made by the elastic wires 7a-7d energized in the swelling direction, respectively by attaching the tips of the elastic wires 7c, 7d to a rotary shaft 9 being freely rotatable to the tip chip 8, and rotating the rotary member 4.